Neptune Systems PM1 Probe Module - pH, ORP, & Temperature Terrarium Accessories CycleGuard preserves the biological balance

CycleGuard preserves the biological balance of your aquarium through independent media replacement

Chemi-pure Elite was designed and manufactured with the latest technologies available

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Neptune Systems PM1 Probe Module - pH, ORP, & Temperature Terrarium Accessories CycleGuard preserves the biological balanceThe PM1 probe module is just what you need if you want to monitor pH or ORP in your tank. And, there is an added bonus, you get an extra temperature port as well as six I O switch inputs for use on ATO, feed buttons, or whatever else you may come up with. This module is perfect for someone that wants to add an additional pH or ORP port to their Apex System. Monitor Control pH or ORP, and temperature 6 digital inputs for float switches, water on floor